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      A Method for Spaceborne SAR Geolocation Based on Continuously Moving Geometry

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          Abstract

          Geolocation is a very important step in Synthetic Aperture Radar (SAR) data processing. The precision of geolocation severely affects the applications of SAR images. This paper analyzes the influences on SAR geolocation caused by the traditional “stop-go” approximation, and establishes the range-Doppler equations for the real continuously moving configuration, and also provides a simplified way to solve the equations. Simulations and geolocation experiments on real SAR data of Beijing area validate the proposed method and show the correctness of the analysis.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 March 2013
          : 2
          : 1
          : 54-59
          Affiliations
          [1 ] Beijing Institute of Remote Sensing Information
          [2 ] Key Laboratory of Technology on Geo-spatial Information Processing and Application System, Chinese Academy of Sciences
          Article
          b909d2bebaff41ab87653fdf1442f221
          10.3724/SP.J.1300.2012.20072

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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